28127484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 90504960

約数和(自身を除く): 62377476

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 73, 77, 84, 99, 126, 132, 139, 146, 154, 198, 219, 231, 252, 278, 292, 308, 396, 417, 438, 462, 511, 556, 657, 693, 803, 834, 876, 924, 973, 1022, 1251, 1314, 1386, 1529, 1533, 1606, 1668, 1946, 2044, 2409, 2502, 2628, 2772, 2919, 3058, 3066, 3212, 3892, 4587, 4599, 4818, 5004, 5621, 5838, 6116, 6132, 7227, 8757, 9174, 9198, 9636, 10147, 10703, 11242, 11676, 13761, 14454, 16863, 17514, 18348, 18396, 20294, 21406, 22484, 27522, 28908, 30441, 32109, 33726, 35028, 40588, 42812, 50589, 55044, 60882, 64218, 67452, 71029, 91323, 96327, 101178, 111617, 121764, 128436, 142058, 182646, 192654, 202356, 213087, 223234, 284116, 334851, 365292, 385308, 426174, 446468, 639261, 669702, 781319, 852348, 1004553, 1278522, 1339404, 1562638, 2009106, 2343957, 2557044, 3125276, 4018212, 4687914, 7031871, 9375828, 14063742, 28127484]

約数ペア:

[(1, 28127484), (2, 14063742), (3, 9375828), (4, 7031871), (6, 4687914), (7, 4018212), (9, 3125276), (11, 2557044), (12, 2343957), (14, 2009106), (18, 1562638), (21, 1339404), (22, 1278522), (28, 1004553), (33, 852348), (36, 781319), (42, 669702), (44, 639261), (63, 446468), (66, 426174), (73, 385308), (77, 365292), (84, 334851), (99, 284116), (126, 223234), (132, 213087), (139, 202356), (146, 192654), (154, 182646), (198, 142058), (219, 128436), (231, 121764), (252, 111617), (278, 101178), (292, 96327), (308, 91323), (396, 71029), (417, 67452), (438, 64218), (462, 60882), (511, 55044), (556, 50589), (657, 42812), (693, 40588), (803, 35028), (834, 33726), (876, 32109), (924, 30441), (973, 28908), (1022, 27522), (1251, 22484), (1314, 21406), (1386, 20294), (1529, 18396), (1533, 18348), (1606, 17514), (1668, 16863), (1946, 14454), (2044, 13761), (2409, 11676), (2502, 11242), (2628, 10703), (2772, 10147), (2919, 9636), (3058, 9198), (3066, 9174), (3212, 8757), (3892, 7227), (4587, 6132), (4599, 6116), (4818, 5838), (5004, 5621)]